package com.lft.gulimall.product.exception;

import com.lft.common.exception.BizCodeEnum;
import com.lft.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * 集中处理所有异常
 */
@Slf4j
// @ResponseBody
// @ControllerAdvice (basePackages = "com.lft.gulimall.product.controller")
@RestControllerAdvice (basePackages = "com.lft.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {
	
	@ExceptionHandler (value = MethodArgumentNotValidException.class)
	public R handleValidException(MethodArgumentNotValidException e) {
		log.error("数据校验出现问题：{},异常类型：{}", e.getMessage(), e.getClass());
		BindingResult bindingResult = e.getBindingResult();
		Map<String, String> errorMap = new HashMap<>();
		bindingResult.getFieldErrors().forEach((item) -> {
			String field = item.getField();
			String message = item.getDefaultMessage();
			errorMap.put(field, message);
		});
		return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(), BizCodeEnum.VALID_EXCEPTION.getMessage()).put("data", errorMap);
	}
	
	@ExceptionHandler (value = Throwable.class)
	public R handleException(Throwable throwable) {
		log.error("错误：", throwable);
		return R.error(BizCodeEnum.UNKNOWN_EXCEPTION.getCode(), BizCodeEnum.UNKNOWN_EXCEPTION.getMessage());
	}
	
}
